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Method for preparing composite hard coating on min-cutter and min-cutter

A technology of micro-tools and hard coatings, which is applied in coatings, accessories of toolholders, and tools used in lathes, etc., which can solve the problem of insufficient wear protection of coatings and insufficient bonding between coatings and substrates. , can not completely remove impurities and other problems, to achieve the effect of superior processing performance, long service life and improved binding force

Inactive Publication Date: 2011-11-02
SHENZHEN JINZHOU PRECISION TECH
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  • Abstract
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  • Claims
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Problems solved by technology

Regardless of whether titanium ion bombardment or argon ion bombardment is used, the ion energy is between several hundred to one thousand electron volts. The ion energy is insufficient to completely remove impurities on the surface of the substrate, so the bonding force between the prepared coating and the substrate is still not good enough, especially When the coating is deposited on the micro-tools, the coating is prone to fall off, exposing the cemented carbide substrate, that is, the wear protection effect of the coating cannot be fully exerted

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  • Method for preparing composite hard coating on min-cutter and min-cutter
  • Method for preparing composite hard coating on min-cutter and min-cutter
  • Method for preparing composite hard coating on min-cutter and min-cutter

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0033] Such as figure 1 Shown, prepare the microcutter of the present invention, comprise the following steps:

[0034] A: pre-coat the surface of the micro-tool to be processed;

[0035] B: Perform metal ion implantation on the surface of the micro-tool to be processed; among them, the metal ion implantation is carried out using a high-current metal vapor vacuum arc ion source (MEVVA source), and the ion source converts atoms or molecules of a certain element into ions, and these ions Under an electric field of up to several thousand volts, it is injected into the surface of the micro-tool workpiece to be processed, and enters a certain depth under the surface, where it is deposited.

[0036] C: Hard coating deposition treatment is performed on the surface of the micro-tool to be processed.

[0037] Ion implantation of the tool surface wit...

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Abstract

The invention discloses a method for preparing a composite hard coating on a min-cutter and a min-cutter. The method for preparing a composite hard coating on a min-cutter comprises the steps of carrying out pretreatment before coating, implantation of metallic ions and deposition of hard coating on the surface of the min-cutter to be processed. According to the invention, metallic ions are implanted into the surface of the min-cutter through energy-loaded ion beams generated by an ion implanter before the hard coating is deposited on the surface of the min-cutter to be processed; therefore, physical and chemical properties of the surface of the min-cutter to be processed are changed, binding force between the hard coating and the min-cutter in the process of hard coating deposition is improved, and burns to the cutting edge of the mini-cutter are avoided, thereby enabling the min-cutter with the coating to have a more excellent processing property and a longer service life and successfully realizing surface modification of the min-cutter.

Description

technical field [0001] The invention relates to the technical field of surface modification of PCB micro-cutters, in particular to a method for preparing a composite hard coating on a micro-cutter and the micro-cutter. Background technique [0002] Micro cutting tools can be used to process printed circuit boards (hereinafter referred to as PCB). PCB is a copper-clad laminate made of substrate, copper foil and adhesive, and the substrate is an insulating laminate composed of polymer synthetic resin and reinforcing materials. Therefore, the main processing objects of PCB micro-tools are copper foil, resin and Reinforcement material. There are some problems when using PCB micro tools to process printed circuit boards. [0003] First of all, the printed circuit board contains a large amount of resin and reinforcing materials, and the hardness and strength of the printed circuit board are high. Ordinary micro-tools wear fast and have a large amount of wear during the process o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/22B23B27/00
Inventor 罗春峰陈成屈建国
Owner SHENZHEN JINZHOU PRECISION TECH
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